Binance system upgrade

Binance will have a big system upgrade tomorrow. It will take about 8 hours according to them.

– Turn off your bot
– Put `server.start_trading_delay = 15` in (Leave the bot off)
– When Binance comes back online. You can boot your bot back up and it will not sell/buy anything for 15 minutes.
– Please check and double check your pairs and make sure this downtime did not have any side effects.
– Once you are sure all is good remove the property from your again for the next time you restart